When it comes to buying a new bike, decision No. 1 is determining what type you want ... by the pedal), the number of cogs in the cassette (placed on the rear hub), and the size of those parts.

Even the cassettes look the same, along with the rest of the components. However, road bikes and touring bikes are designed for very different types of riding. Touring bikes are heavier ...

Some cassettes have earned the name ‘dinner ... thick and bulky and designs differ depending on the specific type of mountain bike riding. Race tyres will be much different to big mud tyres ...